Research all engines.

Hear a Foghorn echo.

Discard 25 fish.

Don't get hit by Jelly Squidward's tentacles during the boss fight

Complete all main missions in Jelly Glove World

Defeat 10 Baby Booms by reflecting their missile

Complete all main missions in Medieval Sulfur Fields

Destroy 1000 Tikis

Complete all main missions in Prehistoric Kelp Forest

Complete all main missions in Pirate Goo Lagoon

Glide 1000 meters throughout the game

Push 50 enemies with the Jelly Maker roar